The most carefully calculated and designed air conditioning installation will not be comfortable for the occupants unless the air diffuser is chosen correctly. It is the determination of the former which will enable a zone to have a homogenous temperature at all points and an absence of noxious draughts in the occupation zone. The classic large scale air diffuser therefore is the intermediary between installation of air conditioning and the premises to be conditioned. Discusses the role of the air diffuser in detail.
The aim is to develop a new method for comfort in settings with high thermal load in buildings that do not require continuous cooling but cooling only during shorter periods. Example of such buildings is schools. The present ventilation and control systems are designed for supply of air at a constant flowrate or to respond to relatively slow variations in load or step changes in load. The slow variations in load are mainly governed by the diurnal cycle and sudden step changes in load are mainly due to people entering or leaving a room.
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